Question

Please help (:

1. What is the general equation for any parabola with its vertex at the origin?

A. Y= x^2
B. Y= 1/4c x^2
C. Y= 1/c x^2
D. Y= ax^2 + bx + c


2. What formula should be used to derive the equation of a parabola given its focus and directrix?

A. The distance formula
B. The midpoint formula
C. Y= ax^2 + bx + c
D. The area formula for a circle

3. What is the formula of a parabola with focus at F (0,2) and directrix at y = -2?

A. Y= 1/2 x^2
B. Y= 2x^2
C. Y= 1/8 x^2
D. Y= - 1/2 x^2

Answer 1

1.B

Answer 2

2.A

Answer 3

Thank you did you get #3?(: